TRACER is embedded within the University Medical Center Groningen (UMCG). The UMCG is a city within a city located in the center of Groningen. It is one of the largest hospitals in the World, offering superregional tertiary care to the northern part of the Netherlands. The UMCG employs almost 13,000 people; numbers almost 1500 beds; educates about 1000 PhD students per year; and provides specialty training at its state of the art facilities for over 750 physicians.